NOTES FROM THE HANGAR (VOL 1, NO 1): THE UNDERGROUND BASE AT DULCE, SCIENTOLOGY, WILHELM REICH, AND THE BIOLOGICAL THEORY OF UFOS BY JIM KEITH (1991)
UFOS AND THE EXTRATERRESTRIAL CONTACT MOVEMENT: A BIBLIOGRAPHY/VOL ONE & UNIDENTIFIED FLYING OBJECTS/VOL TWO : THE EXTRATERRESTRIAL CONTACT MOVEMENT BY GEORGE M. EBERHART (1986)
UFOS AND RELATED SUBJECTS: AN ANNOTATED BIBLIOGRAPHY BY LYNN E. CATOE, LIBRARY OF CONGRESS, DEFENSE TECHNICAL INFORMATION CENTER (1969)
THE NIGHT MUTILATORS: THE HORRIFYING STORY OF CATTLE MUTILATIONS AND THE UFO CONNECTION BY GENE DUPLANTIER (1973)
THE INVISIBLE COLLEGE: WHAT A GROUP OF SCIENTISTS HAS DISCOVERED ABOUT UFO INFLUENCE ON THE HUMAN RACE BY JACQUES F. VALLÉE (1975)
SUBTERRANEAN WORLDS: 100,000 YEARS OF DRAGONS, DWARFS, THE DEAD, LOST RACES AND UFOS FROM INSIDE THE EARTH BY WALTER KAFTON-MINKEL (1989)
THE NEPHILIM: REALITY OR FICTION? … ARE THEY THE SEEDS OF UFO OR FALLEN ANGELS? … BY ODETTE BOILY (2011)
CIA’S ROLE IN THE STUDY OF UFOS, 1947-90; INTELLIGENCE AND NATIONAL SECURITY, VOL 14 NO 2 (SUMMER 1999) BY GERALD K. HAINES
SECRET BLACK PROJECTS OF THE NEW WORLD ORDER: ANTI-GRAVITY UFO’S, BLACK HELICOPTERS, AND MYSTERIOUS FLYING TRIANGLES BY TIM SWARTZ (1998)
CLOSE ENCOUNTERS OF THE FOURTH KIND: ALIEN ABDUCTION, UFOS, AND THE CONFERENCE AT M.I.T. BY C. D. B. BRYAN (1995)
THE CONTROLLERS: MIND CONTROL AND PROJECT MK-ULTRA – MODERN MYTH, MASS MANIPULATION, AND A NEW HYPOTHESIS OF “ALIEN” ABDUCTIONS BY MARTIN CANNON (1990)
